diff options
Diffstat (limited to 'apps/codecs/lib')
| -rw-r--r-- | apps/codecs/lib/codeclib.h | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/apps/codecs/lib/codeclib.h b/apps/codecs/lib/codeclib.h index bf7b417..a5ecb73 100644 --- a/apps/codecs/lib/codeclib.h +++ b/apps/codecs/lib/codeclib.h @@ -79,8 +79,7 @@ unsigned udiv32_arm(unsigned a, unsigned b); #if (defined(CPU_ARM) && (ARM_ARCH > 4)) static inline unsigned int av_log2(uint32_t v) { - unsigned int lz = __builtin_clz(v); - return 31 - lz + (lz >> 5); /* make sure av_log2(0) returns 0 */ + return v ? 31 - __builtin_clz(v) : v; } #else /* From libavutil/common.h */ |